.:: Energy ::.

Between the services of technical habilitation of GRAPHOTEC are highlighted:

ENERGY (Generation, Transmission and Distribution)

In Brazil, the ENERGY sector is based in a power matrix of renewable sources, basically constituted of biomass and hydro generation, emphasizing in the last years, the use of the remaining hydraulic energy efficiency resources, in addition to other renewable energy sources, as wind power.

GRAPHOTEC is inserted in this context strongly operating in the segment of Small Hydroelectric Power Plants and Hydroelectric Power Plants, and expanding and incrementing its participation in the Wind Energy sector.

GRAPHOTEC, since 1986, has continuously dedicated and focused a substantial part of its activities in this segment, emphasizing the following PROJECTS and/or ENTERPRISES: Development of Executive Designs of Electrical Installations of the following Hydroelectric Power Plants:

- HPP Igarapava - 210 MW - Consórcio Igarapava (CEMIG, VALE (CVRD), COTEMINAS)
- HPP Miranda - 408 MW - CEMIG
- HPP Funil -180 MW - Consórcio Funil (CEMIG, VALE (CVRD))

Development of the complete Basic Designs of Electrical Installations of the following Hydroelectric Power Plants, including the respective substations:

- HPP Porto Estrela - 112 MW - Consórcio Porto Estrela
- SHPP Fumaça – 10 MW - NOVELIS (Alcan)
- SHPP Caldeirões - 15 MW - NOVELIS (Alcan)
- SHPP Furquim - 6 MW - NOVELIS (Alcan)
- SHPP Brito - 23 MW - NOVELIS (Alcan)
- HPP Jurumirim - 98 MW - NOVELIS (Alcan)
- HPP Cantagalo - 145 MW – ENERGEST

Advisory of Quality Control and Technical Consultancy on Owner´s Engineering of the executive electrical design of equipments and implementation relative to Hydroelectric Power Plants and their respective substations, listed bellow (as well the respective transmission lines and entrance substations/bays on the connection points of the Brazilian National Electrical System, since the phase of basic design consolidation until the negotiation and the choice of suppliers, involving also the accomplish of the executive design development, inspections of the construction and electromechanical assembling, commissioning, field tests and operation startup), relative to the electric part of the following enterprises:

Small Hydroelectric Power Plants and Electrical System Connection

- SHPP Pipoca - 20 MW - ÔMEGA Energias Renováveis
- SHPP Indaiá Grande - 20 MW - ÔMEGA Energias Renováveis
- SHPP Indaiazinho - 12,5 MW - ÔMEGA Energias Renováveis
- SHPP Boa Sorte – 16,9 MW - Boa Sorte Energética
- SHPP Fumaça - 10 MW - NOVELIS (Alcan)
- SHPP Furquim - 6 MW - NOVELIS (Alcan)
- Hydroelectric Power Plants of the Juruena Complex (SHPP’s CIDEZAL (17 MW), PARECÍS (15,4 MW), RONDON (13 MW), SAPEZAL (16 MW) e TELEGRÁFICA (30 MW)) - GLOBALBANK

Electrical System Connection

- SHPP Cocais Grande - 10 MW - ERSA Energias Renováveis
- SHPP Carangola - 15 MW - BRASIL PCH
- SHPP São Simão - 27 MW - BRASIL PCH
- SHPP São Joaquim - 21 MW - BRASIL PCH
- SHPP Calheiros - 19 MW - BRASIL PCH
- SHPP Fumaça IV - 4,5 MW - BRASIL PCH
- SHPP São Pedro - 30 MW - BRASIL PCH
- SHPP Areia Branca - 20 MW - TRACTEBEL (HP1 do Brasil)

Advisory in definition and negotiation, with the Brazilian Electrical Companies, the system access of hydroelectric power plants, relative to the following SHPPs:

- SHPP Cocais Grande - 10 MW, SHPP Cachoeira Grande II - 20 MW e SHPP São Pedro - 30 MW - Centrais Elétricas da Mantiqueira
- SHPP Funil - 22,5 MW, SHPP São Joaquim - 21 MW, SHPP São Simão - 27 MW, SHPP Calheiros - 19 MW e SHPP Fumaça IV - 4,5 MW - Eletroriver Energias Renováveis
- SHPP Pipoca - 20 MW e SHPP Areia Branca - 20 MW - HP do Brasil
- SHPP Jambo - 13 MW, SHPP Santa Helena - 5,58 MW e SHPP Grão Mogol - 27 MW - RBO Energia
- SHPP Paredão de Minas - 23 MW, SHPP Gongoji Montante - 13,5 MW e SHPP Taboquinha - 25 MW - EMPA Engenharia

Advisory in electrical engineering to the development of Technical Especifications for Price Quotation and Acquisition of Electromechanical Equipments to the following Hydroelectric Power Plants:

- Hydroelectric Power Plants of Guanhães River System (SHPP BREJAÚBA - 12 MW, SHPP MONJOLO - 15 MW, SHPP QUINQUIM – 14,5 MW, SHPP SUMIDOURO - 13 MW, SHPP FORTUNA II - 9 MW, SHPP JACARÉ - 9 MW, SHPP SENHORA DO PORTO - 12 MW and SHPP DORES DO GUANHÃES - 14 MW) - GLOBALBANK
- SHPP Fumaça - 10 MW - NOVELIS (Alcan)
- SHPP Furquim - 6 MW - NOVELIS (Alcan)
- SHPP Santa Edwiges I – 12,6 MW, SHPP Santa Edwiges II – 12,6 MW and SHPP Santa Edwiges III – 12,6 MW - RIALMA Centrais Elétricas

Development of Executive Designs of Electrical Installations of the following Electric Substations:

- Implementation of 345 kV Bus Differencial Protection Relay of in the 345 kV Substation of Jaguara Hydroelectric Power Plant – CEMIG

- Implementation of 345 kV Bus Coupling Circuit Breaker Bay and the 138 kV Transmission Line Exit Bay of the Araxá-2 transmission line in the 345 kV Substation of Jaguara Hydroelectric Power Plant – CEMIG

- Implementation of the Control and Supervisory Digital System of Emborcação Hydroelectric Power Plant, involving the Power House as well the 500 kV Substation - CEMIG

Rua Luiz Signorelli, 101, Bairro Cruzeiro - CEP 30310-210 - Belo Horizonte - MG